| 摘要 |
PROBLEM TO BE SOLVED: To clean a passage window of an optical sensor unit by use of a simple configuration even in the case where a pressing portion is not attached to a front cover.SOLUTION: The image forming apparatus includes the pressing portion 300 which is fixed to an opening/closing portion 26 opened or closed in a direction different from the direction of friction, and which presses a cleaning member in a direction opposite to the energizing direction of an energizing means when the opening/closing portion 26 is closed. |
